The following example overwrites current values with values from the database.
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Dim db As New Northwnd("...")
Try
db.SubmitChanges(ConflictMode.ContinueOnConflict)
Catch ex As ChangeConflictException
Console.WriteLine(ex.Message)
For Each occ As ObjectChangeConflict In db.ChangeConflicts
' All database values overwrite current values.
occ.Resolve(Data.Linq.RefreshMode.OverwriteCurrentValues)
Next
End Try
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Northwnd db = new Northwnd("...");
try
{
db.SubmitChanges(ConflictMode.ContinueOnConflict);
}
catch (ChangeConflictException e)
{
Console.WriteLine(e.Message);
foreach (ObjectChangeConflict occ in db.ChangeConflicts)
{
// All database values overwrite current values.
occ.Resolve(RefreshMode.OverwriteCurrentValues);
}
}
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The following example shows how to swap the original value with the values retrieved from the dtabase. No current value is modified.
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Try
db.SubmitChanges(ConflictMode.ContinueOnConflict)
Catch ex As ChangeConflictException
Console.WriteLine(ex.Message)
For Each occ As ObjectChangeConflict In db.ChangeConflicts
' No database values are merged into current.
occ.Resolve(Data.Linq.RefreshMode.KeepCurrentValues)
Next
End Try
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try
{
db.SubmitChanges(ConflictMode.ContinueOnConflict);
}
catch (ChangeConflictException e)
{
Console.WriteLine(e.Message);
foreach (ObjectChangeConflict occ in db.ChangeConflicts)
{
//No database values are merged into current.
occ.Resolve(RefreshMode.KeepCurrentValues);
}
}
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The following example keeps the current values that have been changed, but updates the other values with database values.
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Try
db.SubmitChanges(ConflictMode.ContinueOnConflict)
Catch ex As ChangeConflictException
Console.WriteLine(ex.Message)
For Each occ As ObjectChangeConflict In db.ChangeConflicts
' Automerge database values into current for members
' that client has not modified.
occ.Resolve(Data.Linq.RefreshMode.KeepChanges)
Next
End Try
' Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict)
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try
{
db.SubmitChanges(ConflictMode.ContinueOnConflict);
}
catch (ChangeConflictException e)
{
Console.WriteLine(e.Message);
// Automerge database values for members that client
// has not modified.
foreach (ObjectChangeConflict occ in db.ChangeConflicts)
{
occ.Resolve(RefreshMode.KeepChanges);
}
}
// Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict);
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